I changed JENKINS_PORT in '/etc/sysconfig/jenkins'
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In our company we have a private docker registry (artifactory) and need to use it to store our docker images.
So, if I want to use custom airflow docker image (par example, with some extra pip and apt packages installed) I should save this image in our private docker registry.
Can anybody tell me, how can I order airflow's helm chart to pull image from private docker registry? And how to pass credentials in this case?
Assuming you are using this one. You can edit the image field in the values and apply it like that:
helm install airflow -f values airflow-stable/airflow
or directly by setting the option from command line:
helm install airflow airflow-stable/airflow --set airflow.image.repository=custom-image-address
For credentials, there is pullSecret
pullSecret: ""
you can edit this to point docker secret for your registry.
Check this.
Also you can set this option from the command line like the previous example.
I knew I can tag the image name from official name with private image name and push to it
docker pull alpine
docker tag alpine <abc.jrog.io>/alpine
docker push <abc.jrog.io>/alpine
But this is not the case when I deal with Kubernetes helm charts, especailly with sub-charts.
I can set new image name in values.yaml, but if one chart calls other charts, I can't make this works.
So currently I have to pull all charts and rename images and add private registry server as prefix.
Are there any ways I can do that transparently?
For example, if I pull image alpine, the computer/server can automatically to get the image from private registry without any image name changed?
So the ideal is very close to git insteadOf feature.
git config --global url."https://".insteadOf git://
with above configuraiton, I can force https:// to git:// always
I'd like to set the similar in docker pull, it is not pull from hub.docker.io, but from <abc.jrog.io>
What you want, is to configure a custom default registry. Wether this is possible or how to do it depends on what container runtime and nodes that you are using. See e.g. How to change the default docker registry from docker.io to my private registry?
I have a Jenkins running on Docker container and local docker registry.
docker-compose up
it does't go out side network rather pulls the image from local registry.
Is there a way i can update my local docker registry with latest Jenkins image?
And when i run docker-compose up i have latest Jenkins? Thank you!
So by default docker nature is always look for image available on host-machine and if not specific tag is provided it will search for default tag which is latest .
So in your case when you already have latest jenkins image available on host docker-compose will always use that image pretending this is the latest one. For using latest image available from registry you need to clean/delete jenkins image from your host who is having latest tag.
Delete and use latest jenkins image:
docker rmi -f jenkins:latest
docker-compose stop
docker-compose rm -f
docker-compose pull
docker-compose up -d
this is your private registry so you need to login to it:
docker login my-server.test:5000
I have created a deployment in openshift via webconsle where I am deploying a docker image from docker hub. I have selected the latest image while creating a deployment in web console where my image looks like hub.docker.com/test/test1:latest. So, currently the latest image is with tag 1 and it is running smoothly in the openshift console in a node.
Now for example I change my dockerfile and update the docker image in dockerhub with the latest tag 2 so what I am trying to do from a oc console is that I am trying to update the latest image in the openshift deployment to 2. I tried command oc rollout deployment name but it is giving me error that there is no deployment but I am still not sure about my command.
Any help and suggestions are appreciated.
I am refering to this link - Docker pull.
By default, docker pull pulls images from Docker Hub (https://hub.docker.com).
I would like to know where this link is configured on our local machine setup.
I am using Docker on Windows 10.
You cannot change the default domain of a docker image. This is by design:
Your Docker installation with this "private registry defined in the config file" would be incompatible with every other Docker installation out there. Running docker pull debian needs to pull from the same place on every Docker install.
A developer using Docker on their box will use debian, centos and ubuntu official images. Your hacked up Docker install would just serve your own versions of those images (if they're present) and this will break things.
You should identify your image through the full URL:
<your-private-registry>/<repository>/<image>:<tag>
The default domain docker.io (the "docker hub") is hardcoded in docker's code.
For example here:
https://github.com/docker/distribution/blob/master/reference/normalize.go
Check the function splitDockerDomain which sets docker.io as registry if it's not provided by the user.